# Delta Table Day 2 Lecture

> In this video, Yared dives into advanced features of Delta Lake, focusing on liquid clustering and optimization techniques. He explains how liquid clustering improves query performance by dynamically organizing data and how the optimize command compacts smaller files for better read efficiency. He…

- Web page: https://www.dataexpert.io/lesson/delta-table-day-2-lecture-may2025-p736-l1130
- Program: [DataExpert](https://www.dataexpert.io/program/data-expert)
- Module: Week 3: Data Lakes with Delta Table
- Access: Requires enrollment in DataExpert
- Skills: SQL, Data Modeling, ETL/ELT, Apache Spark, Data Warehousing, Delta Lake
- Academy: DataExpert.io Academy

## About this lesson

In this video, Yared dives into advanced features of Delta Lake, focusing on liquid clustering and optimization techniques. He explains how liquid clustering improves query performance by dynamically organizing data and how the optimize command compacts smaller files for better read efficiency. He also touches on versioning and the importance of maintaining historical data.

## Navigation

- Previous lesson: [Delta Lake Bonus](https://www.dataexpert.io/lesson/delta-lake-bonus-may2025-p736-l1057.md)
- Next lesson: [Delta Table Day 2 Lab](https://www.dataexpert.io/lesson/delta-table-day-2-lab-may2025-p736-l1131.md)